 a {
    float: left;
    color: white;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
  }
 a.icon {
    float: right;
  }
  
   a:hover {
    background-color: #ddd;
    color: black;
  }
  
  .active {
    background-color: #4CAF50;
    color: white;
  }
